Home / 176,143.92-243,075.56-107,208.47

Finding the Fourth Proportional to 176,143.92, 243,075.56 and 107,208.47

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Solution

The fourth proportional to 176,143.92, 243,075.56 and 107,208.47 is: 147,945.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,143.92 : 243,075.56 = 107,208.47 : x
  2. Step 2: Convert to fraction form
    176,143.92/243,075.56 = 107,208.47/x
  3. Step 3: Cross multiply
    176,143.92x = 243,075.56 × 107,208.47
  4. Step 4: Simplify right side
    176,143.92x = 26,059,757,130.57
  5. Step 5: Solve for x
    x = 26,059,757,130.57/176,143.92
  6. Step 6: Final answer
    x = 147,945.82

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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.