Home / 111,095.12-153,307.46-63,363.84

Finding the Fourth Proportional to 111,095.12, 153,307.46 and 63,363.84

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Solution

The fourth proportional to 111,095.12, 153,307.46 and 63,363.84 is: 87,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,095.12 : 153,307.46 = 63,363.84 : x
  2. Step 2: Convert to fraction form
    111,095.12/153,307.46 = 63,363.84/x
  3. Step 3: Cross multiply
    111,095.12x = 153,307.46 × 63,363.84
  4. Step 4: Simplify right side
    111,095.12x = 9,714,149,366.25
  5. Step 5: Solve for x
    x = 9,714,149,366.25/111,095.12
  6. Step 6: Final answer
    x = 87,439.93

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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.