Home / 111,330.02-153,632.25-63,582.38

Finding the Fourth Proportional to 111,330.02, 153,632.25 and 63,582.38

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Solution

The fourth proportional to 111,330.02, 153,632.25 and 63,582.38 is: 87,741.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,330.02 : 153,632.25 = 63,582.38 : x
  2. Step 2: Convert to fraction form
    111,330.02/153,632.25 = 63,582.38/x
  3. Step 3: Cross multiply
    111,330.02x = 153,632.25 × 63,582.38
  4. Step 4: Simplify right side
    111,330.02x = 9,768,304,099.76
  5. Step 5: Solve for x
    x = 9,768,304,099.76/111,330.02
  6. Step 6: Final answer
    x = 87,741.87

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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.