Home / 111,495.20-153,870.93-63,097.13

Finding the Fourth Proportional to 111,495.20, 153,870.93 and 63,097.13

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Solution

The fourth proportional to 111,495.20, 153,870.93 and 63,097.13 is: 87,078.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,495.20 : 153,870.93 = 63,097.13 : x
  2. Step 2: Convert to fraction form
    111,495.20/153,870.93 = 63,097.13/x
  3. Step 3: Cross multiply
    111,495.20x = 153,870.93 × 63,097.13
  4. Step 4: Simplify right side
    111,495.20x = 9,708,813,304.08
  5. Step 5: Solve for x
    x = 9,708,813,304.08/111,495.20
  6. Step 6: Final answer
    x = 87,078.31

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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.