Home / 291,326.18-402,050.34-176,609.66

Finding the Fourth Proportional to 291,326.18, 402,050.34 and 176,609.66

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Solution

The fourth proportional to 291,326.18, 402,050.34 and 176,609.66 is: 243,733.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,326.18 : 402,050.34 = 176,609.66 : x
  2. Step 2: Convert to fraction form
    291,326.18/402,050.34 = 176,609.66/x
  3. Step 3: Cross multiply
    291,326.18x = 402,050.34 × 176,609.66
  4. Step 4: Simplify right side
    291,326.18x = 71,005,971,398.51
  5. Step 5: Solve for x
    x = 71,005,971,398.51/291,326.18
  6. Step 6: Final answer
    x = 243,733.58

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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.