Home / 118,127.02-163,009.11-67,132.93

Finding the Fourth Proportional to 118,127.02, 163,009.11 and 67,132.93

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Solution

The fourth proportional to 118,127.02, 163,009.11 and 67,132.93 is: 92,639.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,127.02 : 163,009.11 = 67,132.93 : x
  2. Step 2: Convert to fraction form
    118,127.02/163,009.11 = 67,132.93/x
  3. Step 3: Cross multiply
    118,127.02x = 163,009.11 × 67,132.93
  4. Step 4: Simplify right side
    118,127.02x = 10,943,279,170.99
  5. Step 5: Solve for x
    x = 10,943,279,170.99/118,127.02
  6. Step 6: Final answer
    x = 92,639.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.