Home / 314,368.25-433,828.23-171,129.36

Finding the Fourth Proportional to 314,368.25, 433,828.23 and 171,129.36

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Solution

The fourth proportional to 314,368.25, 433,828.23 and 171,129.36 is: 236,158.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,368.25 : 433,828.23 = 171,129.36 : x
  2. Step 2: Convert to fraction form
    314,368.25/433,828.23 = 171,129.36/x
  3. Step 3: Cross multiply
    314,368.25x = 433,828.23 × 171,129.36
  4. Step 4: Simplify right side
    314,368.25x = 74,240,748,334.95
  5. Step 5: Solve for x
    x = 74,240,748,334.95/314,368.25
  6. Step 6: Final answer
    x = 236,158.55

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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.