Home / 153,434.13-230,154.07-42,629.01

Finding the Fourth Proportional to 153,434.13, 230,154.07 and 42,629.01

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Solution

The fourth proportional to 153,434.13, 230,154.07 and 42,629.01 is: 63,944.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,434.13 : 230,154.07 = 42,629.01 : x
  2. Step 2: Convert to fraction form
    153,434.13/230,154.07 = 42,629.01/x
  3. Step 3: Cross multiply
    153,434.13x = 230,154.07 × 42,629.01
  4. Step 4: Simplify right side
    153,434.13x = 9,811,238,894.23
  5. Step 5: Solve for x
    x = 9,811,238,894.23/153,434.13
  6. Step 6: Final answer
    x = 63,944.31

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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.