Home / 153,509.22-230,253.08-57,428.10

Finding the Fourth Proportional to 153,509.22, 230,253.08 and 57,428.10

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Solution

The fourth proportional to 153,509.22, 230,253.08 and 57,428.10 is: 86,138.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,509.22 : 230,253.08 = 57,428.10 : x
  2. Step 2: Convert to fraction form
    153,509.22/230,253.08 = 57,428.10/x
  3. Step 3: Cross multiply
    153,509.22x = 230,253.08 × 57,428.10
  4. Step 4: Simplify right side
    153,509.22x = 13,222,996,616.41
  5. Step 5: Solve for x
    x = 13,222,996,616.41/153,509.22
  6. Step 6: Final answer
    x = 86,138.13

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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.