Home / 102,216.48-153,356.12-52,331.59

Finding the Fourth Proportional to 102,216.48, 153,356.12 and 52,331.59

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Solution

The fourth proportional to 102,216.48, 153,356.12 and 52,331.59 is: 78,513.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,216.48 : 153,356.12 = 52,331.59 : x
  2. Step 2: Convert to fraction form
    102,216.48/153,356.12 = 52,331.59/x
  3. Step 3: Cross multiply
    102,216.48x = 153,356.12 × 52,331.59
  4. Step 4: Simplify right side
    102,216.48x = 8,025,369,595.83
  5. Step 5: Solve for x
    x = 8,025,369,595.83/102,216.48
  6. Step 6: Final answer
    x = 78,513.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.