Home / 176,043.36-242,935.56-100,587

Finding the Fourth Proportional to 176,043.36, 242,935.56 and 100,587

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Solution

The fourth proportional to 176,043.36, 242,935.56 and 100,587 is: 138,807.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,043.36 : 242,935.56 = 100,587 : x
  2. Step 2: Convert to fraction form
    176,043.36/242,935.56 = 100,587/x
  3. Step 3: Cross multiply
    176,043.36x = 242,935.56 × 100,587
  4. Step 4: Simplify right side
    176,043.36x = 24,436,159,173.72
  5. Step 5: Solve for x
    x = 24,436,159,173.72/176,043.36
  6. Step 6: Final answer
    x = 138,807.62

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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.