Home / 102,119.20-153,018.81-64,600.06

Finding the Fourth Proportional to 102,119.20, 153,018.81 and 64,600.06

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Solution

The fourth proportional to 102,119.20, 153,018.81 and 64,600.06 is: 96,798.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,119.20 : 153,018.81 = 64,600.06 : x
  2. Step 2: Convert to fraction form
    102,119.20/153,018.81 = 64,600.06/x
  3. Step 3: Cross multiply
    102,119.20x = 153,018.81 × 64,600.06
  4. Step 4: Simplify right side
    102,119.20x = 9,885,024,307.13
  5. Step 5: Solve for x
    x = 9,885,024,307.13/102,119.20
  6. Step 6: Final answer
    x = 96,798.88

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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.