Home / 153,631.47-230,474.94-47,013.51

Finding the Fourth Proportional to 153,631.47, 230,474.94 and 47,013.51

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Solution

The fourth proportional to 153,631.47, 230,474.94 and 47,013.51 is: 70,528.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,631.47 : 230,474.94 = 47,013.51 : x
  2. Step 2: Convert to fraction form
    153,631.47/230,474.94 = 47,013.51/x
  3. Step 3: Cross multiply
    153,631.47x = 230,474.94 × 47,013.51
  4. Step 4: Simplify right side
    153,631.47x = 10,835,436,981.10
  5. Step 5: Solve for x
    x = 10,835,436,981.10/153,631.47
  6. Step 6: Final answer
    x = 70,528.76

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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.