Home / 113,476.86-156,574.33-65,727.36

Finding the Fourth Proportional to 113,476.86, 156,574.33 and 65,727.36

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Solution

The fourth proportional to 113,476.86, 156,574.33 and 65,727.36 is: 90,690.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,476.86 : 156,574.33 = 65,727.36 : x
  2. Step 2: Convert to fraction form
    113,476.86/156,574.33 = 65,727.36/x
  3. Step 3: Cross multiply
    113,476.86x = 156,574.33 × 65,727.36
  4. Step 4: Simplify right side
    113,476.86x = 10,291,217,354.67
  5. Step 5: Solve for x
    x = 10,291,217,354.67/113,476.86
  6. Step 6: Final answer
    x = 90,690.01

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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.