Home / 111,032.42-153,220.92-63,301.14

Finding the Fourth Proportional to 111,032.42, 153,220.92 and 63,301.14

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Solution

The fourth proportional to 111,032.42, 153,220.92 and 63,301.14 is: 87,353.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,032.42 : 153,220.92 = 63,301.14 : x
  2. Step 2: Convert to fraction form
    111,032.42/153,220.92 = 63,301.14/x
  3. Step 3: Cross multiply
    111,032.42x = 153,220.92 × 63,301.14
  4. Step 4: Simplify right side
    111,032.42x = 9,699,058,907.85
  5. Step 5: Solve for x
    x = 9,699,058,907.85/111,032.42
  6. Step 6: Final answer
    x = 87,353.40

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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.