Home / 151,011.23-208,397.91-83,031.17

Finding the Fourth Proportional to 151,011.23, 208,397.91 and 83,031.17

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Solution

The fourth proportional to 151,011.23, 208,397.91 and 83,031.17 is: 114,584.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,011.23 : 208,397.91 = 83,031.17 : x
  2. Step 2: Convert to fraction form
    151,011.23/208,397.91 = 83,031.17/x
  3. Step 3: Cross multiply
    151,011.23x = 208,397.91 × 83,031.17
  4. Step 4: Simplify right side
    151,011.23x = 17,303,522,292.85
  5. Step 5: Solve for x
    x = 17,303,522,292.85/151,011.23
  6. Step 6: Final answer
    x = 114,584.34

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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.