Home / 314,938.32-434,610.73-171,698.12

Finding the Fourth Proportional to 314,938.32, 434,610.73 and 171,698.12

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Solution

The fourth proportional to 314,938.32, 434,610.73 and 171,698.12 is: 236,941.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,938.32 : 434,610.73 = 171,698.12 : x
  2. Step 2: Convert to fraction form
    314,938.32/434,610.73 = 171,698.12/x
  3. Step 3: Cross multiply
    314,938.32x = 434,610.73 × 171,698.12
  4. Step 4: Simplify right side
    314,938.32x = 74,621,845,272.83
  5. Step 5: Solve for x
    x = 74,621,845,272.83/314,938.32
  6. Step 6: Final answer
    x = 236,941.14

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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.