Home / 291,909.51-402,835.17-164,585.10

Finding the Fourth Proportional to 291,909.51, 402,835.17 and 164,585.10

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Solution

The fourth proportional to 291,909.51, 402,835.17 and 164,585.10 is: 227,127.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,909.51 : 402,835.17 = 164,585.10 : x
  2. Step 2: Convert to fraction form
    291,909.51/402,835.17 = 164,585.10/x
  3. Step 3: Cross multiply
    291,909.51x = 402,835.17 × 164,585.10
  4. Step 4: Simplify right side
    291,909.51x = 66,300,666,737.97
  5. Step 5: Solve for x
    x = 66,300,666,737.97/291,909.51
  6. Step 6: Final answer
    x = 227,127.46

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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.