Home / 292,071.12-402,995.59-219,551.56

Finding the Fourth Proportional to 292,071.12, 402,995.59 and 219,551.56

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Solution

The fourth proportional to 292,071.12, 402,995.59 and 219,551.56 is: 302,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,071.12 : 402,995.59 = 219,551.56 : x
  2. Step 2: Convert to fraction form
    292,071.12/402,995.59 = 219,551.56/x
  3. Step 3: Cross multiply
    292,071.12x = 402,995.59 × 219,551.56
  4. Step 4: Simplify right side
    292,071.12x = 88,478,310,704.99
  5. Step 5: Solve for x
    x = 88,478,310,704.99/292,071.12
  6. Step 6: Final answer
    x = 302,934.13

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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.