Home / 103,746.30-155,370-59,238.18

Finding the Fourth Proportional to 103,746.30, 155,370 and 59,238.18

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Solution

The fourth proportional to 103,746.30, 155,370 and 59,238.18 is: 88,714.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,746.30 : 155,370 = 59,238.18 : x
  2. Step 2: Convert to fraction form
    103,746.30/155,370 = 59,238.18/x
  3. Step 3: Cross multiply
    103,746.30x = 155,370 × 59,238.18
  4. Step 4: Simplify right side
    103,746.30x = 9,203,836,026.60
  5. Step 5: Solve for x
    x = 9,203,836,026.60/103,746.30
  6. Step 6: Final answer
    x = 88,714.84

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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.