Home / 176,133.76-243,030.72-100,666.24

Finding the Fourth Proportional to 176,133.76, 243,030.72 and 100,666.24

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Solution

The fourth proportional to 176,133.76, 243,030.72 and 100,666.24 is: 138,900.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,133.76 : 243,030.72 = 100,666.24 : x
  2. Step 2: Convert to fraction form
    176,133.76/243,030.72 = 100,666.24/x
  3. Step 3: Cross multiply
    176,133.76x = 243,030.72 × 100,666.24
  4. Step 4: Simplify right side
    176,133.76x = 24,464,988,786.89
  5. Step 5: Solve for x
    x = 24,464,988,786.89/176,133.76
  6. Step 6: Final answer
    x = 138,900.05

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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.