Home / 153,396.03-230,017.05-89,374.90

Finding the Fourth Proportional to 153,396.03, 230,017.05 and 89,374.90

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Solution

The fourth proportional to 153,396.03, 230,017.05 and 89,374.90 is: 134,017.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,396.03 : 230,017.05 = 89,374.90 : x
  2. Step 2: Convert to fraction form
    153,396.03/230,017.05 = 89,374.90/x
  3. Step 3: Cross multiply
    153,396.03x = 230,017.05 × 89,374.90
  4. Step 4: Simplify right side
    153,396.03x = 20,557,750,698.28
  5. Step 5: Solve for x
    x = 20,557,750,698.28/153,396.03
  6. Step 6: Final answer
    x = 134,017.49

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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.