Home / 113,439.36-156,547.20-62,457.60

Finding the Fourth Proportional to 113,439.36, 156,547.20 and 62,457.60

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Solution

The fourth proportional to 113,439.36, 156,547.20 and 62,457.60 is: 86,191.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,439.36 : 156,547.20 = 62,457.60 : x
  2. Step 2: Convert to fraction form
    113,439.36/156,547.20 = 62,457.60/x
  3. Step 3: Cross multiply
    113,439.36x = 156,547.20 × 62,457.60
  4. Step 4: Simplify right side
    113,439.36x = 9,777,562,398.72
  5. Step 5: Solve for x
    x = 9,777,562,398.72/113,439.36
  6. Step 6: Final answer
    x = 86,191.97

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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.