Home / 113,127.68-156,121.60-62,823.68

Finding the Fourth Proportional to 113,127.68, 156,121.60 and 62,823.68

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Solution

The fourth proportional to 113,127.68, 156,121.60 and 62,823.68 is: 86,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,127.68 : 156,121.60 = 62,823.68 : x
  2. Step 2: Convert to fraction form
    113,127.68/156,121.60 = 62,823.68/x
  3. Step 3: Cross multiply
    113,127.68x = 156,121.60 × 62,823.68
  4. Step 4: Simplify right side
    113,127.68x = 9,808,133,439.49
  5. Step 5: Solve for x
    x = 9,808,133,439.49/113,127.68
  6. Step 6: Final answer
    x = 86,699.68

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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.