Home / 291,799.07-402,682.71-157,663.07

Finding the Fourth Proportional to 291,799.07, 402,682.71 and 157,663.07

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Solution

The fourth proportional to 291,799.07, 402,682.71 and 157,663.07 is: 217,575.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,799.07 : 402,682.71 = 157,663.07 : x
  2. Step 2: Convert to fraction form
    291,799.07/402,682.71 = 157,663.07/x
  3. Step 3: Cross multiply
    291,799.07x = 402,682.71 × 157,663.07
  4. Step 4: Simplify right side
    291,799.07x = 63,488,190,281.11
  5. Step 5: Solve for x
    x = 63,488,190,281.11/291,799.07
  6. Step 6: Final answer
    x = 217,575.03

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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.