Home / 102,224.16-153,337.86-31,148.28

Finding the Fourth Proportional to 102,224.16, 153,337.86 and 31,148.28

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Solution

The fourth proportional to 102,224.16, 153,337.86 and 31,148.28 is: 46,722.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,224.16 : 153,337.86 = 31,148.28 : x
  2. Step 2: Convert to fraction form
    102,224.16/153,337.86 = 31,148.28/x
  3. Step 3: Cross multiply
    102,224.16x = 153,337.86 × 31,148.28
  4. Step 4: Simplify right side
    102,224.16x = 4,776,210,597.88
  5. Step 5: Solve for x
    x = 4,776,210,597.88/102,224.16
  6. Step 6: Final answer
    x = 46,722.91

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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.