Home / 136,002.90-204,004.35-98,678.10

Finding the Fourth Proportional to 136,002.90, 204,004.35 and 98,678.10

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Solution

The fourth proportional to 136,002.90, 204,004.35 and 98,678.10 is: 148,017.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,002.90 : 204,004.35 = 98,678.10 : x
  2. Step 2: Convert to fraction form
    136,002.90/204,004.35 = 98,678.10/x
  3. Step 3: Cross multiply
    136,002.90x = 204,004.35 × 98,678.10
  4. Step 4: Simplify right side
    136,002.90x = 20,130,761,649.74
  5. Step 5: Solve for x
    x = 20,130,761,649.74/136,002.90
  6. Step 6: Final answer
    x = 148,017.15

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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.