Home / 292,022.13-402,991.14-157,886.13

Finding the Fourth Proportional to 292,022.13, 402,991.14 and 157,886.13

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Solution

The fourth proportional to 292,022.13, 402,991.14 and 157,886.13 is: 217,883.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,022.13 : 402,991.14 = 157,886.13 : x
  2. Step 2: Convert to fraction form
    292,022.13/402,991.14 = 157,886.13/x
  3. Step 3: Cross multiply
    292,022.13x = 402,991.14 × 157,886.13
  4. Step 4: Simplify right side
    292,022.13x = 63,626,711,518.89
  5. Step 5: Solve for x
    x = 63,626,711,518.89/292,022.13
  6. Step 6: Final answer
    x = 217,883.18

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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.