Home / 113,345.30-156,420.71-62,360.25

Finding the Fourth Proportional to 113,345.30, 156,420.71 and 62,360.25

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Solution

The fourth proportional to 113,345.30, 156,420.71 and 62,360.25 is: 86,059.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,345.30 : 156,420.71 = 62,360.25 : x
  2. Step 2: Convert to fraction form
    113,345.30/156,420.71 = 62,360.25/x
  3. Step 3: Cross multiply
    113,345.30x = 156,420.71 × 62,360.25
  4. Step 4: Simplify right side
    113,345.30x = 9,754,434,268.98
  5. Step 5: Solve for x
    x = 9,754,434,268.98/113,345.30
  6. Step 6: Final answer
    x = 86,059.45

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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.