Home / 113,641.57-156,825.75-62,653.18

Finding the Fourth Proportional to 113,641.57, 156,825.75 and 62,653.18

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Solution

The fourth proportional to 113,641.57, 156,825.75 and 62,653.18 is: 86,461.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,641.57 : 156,825.75 = 62,653.18 : x
  2. Step 2: Convert to fraction form
    113,641.57/156,825.75 = 62,653.18/x
  3. Step 3: Cross multiply
    113,641.57x = 156,825.75 × 62,653.18
  4. Step 4: Simplify right side
    113,641.57x = 9,825,632,080.32
  5. Step 5: Solve for x
    x = 9,825,632,080.32/113,641.57
  6. Step 6: Final answer
    x = 86,461.60

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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.