Home / 118,434.73-163,442.28-64,723.08

Finding the Fourth Proportional to 118,434.73, 163,442.28 and 64,723.08

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Solution

The fourth proportional to 118,434.73, 163,442.28 and 64,723.08 is: 89,319.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,434.73 : 163,442.28 = 64,723.08 : x
  2. Step 2: Convert to fraction form
    118,434.73/163,442.28 = 64,723.08/x
  3. Step 3: Cross multiply
    118,434.73x = 163,442.28 × 64,723.08
  4. Step 4: Simplify right side
    118,434.73x = 10,578,487,763.82
  5. Step 5: Solve for x
    x = 10,578,487,763.82/118,434.73
  6. Step 6: Final answer
    x = 89,319.14

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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.