Home / 176,323.32-243,341.25-99,855.93

Finding the Fourth Proportional to 176,323.32, 243,341.25 and 99,855.93

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Solution

The fourth proportional to 176,323.32, 243,341.25 and 99,855.93 is: 137,809.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,323.32 : 243,341.25 = 99,855.93 : x
  2. Step 2: Convert to fraction form
    176,323.32/243,341.25 = 99,855.93/x
  3. Step 3: Cross multiply
    176,323.32x = 243,341.25 × 99,855.93
  4. Step 4: Simplify right side
    176,323.32x = 24,299,066,826.11
  5. Step 5: Solve for x
    x = 24,299,066,826.11/176,323.32
  6. Step 6: Final answer
    x = 137,809.72

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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.