Home / 147,859.20-221,788.80-59,126.40

Finding the Fourth Proportional to 147,859.20, 221,788.80 and 59,126.40

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Solution

The fourth proportional to 147,859.20, 221,788.80 and 59,126.40 is: 88,689.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,859.20 : 221,788.80 = 59,126.40 : x
  2. Step 2: Convert to fraction form
    147,859.20/221,788.80 = 59,126.40/x
  3. Step 3: Cross multiply
    147,859.20x = 221,788.80 × 59,126.40
  4. Step 4: Simplify right side
    147,859.20x = 13,113,573,304.32
  5. Step 5: Solve for x
    x = 13,113,573,304.32/147,859.20
  6. Step 6: Final answer
    x = 88,689.60

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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.