Home / 314,557.48-434,094.25-171,317.40

Finding the Fourth Proportional to 314,557.48, 434,094.25 and 171,317.40

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Solution

The fourth proportional to 314,557.48, 434,094.25 and 171,317.40 is: 236,420.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,557.48 : 434,094.25 = 171,317.40 : x
  2. Step 2: Convert to fraction form
    314,557.48/434,094.25 = 171,317.40/x
  3. Step 3: Cross multiply
    314,557.48x = 434,094.25 × 171,317.40
  4. Step 4: Simplify right side
    314,557.48x = 74,367,898,264.95
  5. Step 5: Solve for x
    x = 74,367,898,264.95/314,557.48
  6. Step 6: Final answer
    x = 236,420.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.