Home / 291,822.16-402,714.84-157,686.16

Finding the Fourth Proportional to 291,822.16, 402,714.84 and 157,686.16

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Solution

The fourth proportional to 291,822.16, 402,714.84 and 157,686.16 is: 217,607.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,822.16 : 402,714.84 = 157,686.16 : x
  2. Step 2: Convert to fraction form
    291,822.16/402,714.84 = 157,686.16/x
  3. Step 3: Cross multiply
    291,822.16x = 402,714.84 × 157,686.16
  4. Step 4: Simplify right side
    291,822.16x = 63,502,556,694.61
  5. Step 5: Solve for x
    x = 63,502,556,694.61/291,822.16
  6. Step 6: Final answer
    x = 217,607.04

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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.