Home / 113,285.43-156,294.95-70,249.45

Finding the Fourth Proportional to 113,285.43, 156,294.95 and 70,249.45

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Solution

The fourth proportional to 113,285.43, 156,294.95 and 70,249.45 is: 96,920.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,285.43 : 156,294.95 = 70,249.45 : x
  2. Step 2: Convert to fraction form
    113,285.43/156,294.95 = 70,249.45/x
  3. Step 3: Cross multiply
    113,285.43x = 156,294.95 × 70,249.45
  4. Step 4: Simplify right side
    113,285.43x = 10,979,634,275.28
  5. Step 5: Solve for x
    x = 10,979,634,275.28/113,285.43
  6. Step 6: Final answer
    x = 96,920.09

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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.