Home / 102,002.10-153,003.15-94,128.90

Finding the Fourth Proportional to 102,002.10, 153,003.15 and 94,128.90

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Solution

The fourth proportional to 102,002.10, 153,003.15 and 94,128.90 is: 141,193.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,002.10 : 153,003.15 = 94,128.90 : x
  2. Step 2: Convert to fraction form
    102,002.10/153,003.15 = 94,128.90/x
  3. Step 3: Cross multiply
    102,002.10x = 153,003.15 × 94,128.90
  4. Step 4: Simplify right side
    102,002.10x = 14,402,018,206.04
  5. Step 5: Solve for x
    x = 14,402,018,206.04/102,002.10
  6. Step 6: Final answer
    x = 141,193.35

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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.