Home / 134,769.10-202,117.20-39,999.10

Finding the Fourth Proportional to 134,769.10, 202,117.20 and 39,999.10

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Solution

The fourth proportional to 134,769.10, 202,117.20 and 39,999.10 is: 59,987.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,769.10 : 202,117.20 = 39,999.10 : x
  2. Step 2: Convert to fraction form
    134,769.10/202,117.20 = 39,999.10/x
  3. Step 3: Cross multiply
    134,769.10x = 202,117.20 × 39,999.10
  4. Step 4: Simplify right side
    134,769.10x = 8,084,506,094.52
  5. Step 5: Solve for x
    x = 8,084,506,094.52/134,769.10
  6. Step 6: Final answer
    x = 59,987.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.