Home / 107,700.16-148,699.38-67,430.20

Finding the Fourth Proportional to 107,700.16, 148,699.38 and 67,430.20

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Solution

The fourth proportional to 107,700.16, 148,699.38 and 67,430.20 is: 93,099.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,700.16 : 148,699.38 = 67,430.20 : x
  2. Step 2: Convert to fraction form
    107,700.16/148,699.38 = 67,430.20/x
  3. Step 3: Cross multiply
    107,700.16x = 148,699.38 × 67,430.20
  4. Step 4: Simplify right side
    107,700.16x = 10,026,828,933.28
  5. Step 5: Solve for x
    x = 10,026,828,933.28/107,700.16
  6. Step 6: Final answer
    x = 93,099.48

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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.