Home / 111,088.87-153,298.85-63,357.59

Finding the Fourth Proportional to 111,088.87, 153,298.85 and 63,357.59

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Solution

The fourth proportional to 111,088.87, 153,298.85 and 63,357.59 is: 87,431.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,088.87 : 153,298.85 = 63,357.59 : x
  2. Step 2: Convert to fraction form
    111,088.87/153,298.85 = 63,357.59/x
  3. Step 3: Cross multiply
    111,088.87x = 153,298.85 × 63,357.59
  4. Step 4: Simplify right side
    111,088.87x = 9,712,645,752.23
  5. Step 5: Solve for x
    x = 9,712,645,752.23/111,088.87
  6. Step 6: Final answer
    x = 87,431.31

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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.