Home / 156,741.16-216,307.08-92,214.94

Finding the Fourth Proportional to 156,741.16, 216,307.08 and 92,214.94

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Solution

The fourth proportional to 156,741.16, 216,307.08 and 92,214.94 is: 127,259.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,741.16 : 216,307.08 = 92,214.94 : x
  2. Step 2: Convert to fraction form
    156,741.16/216,307.08 = 92,214.94/x
  3. Step 3: Cross multiply
    156,741.16x = 216,307.08 × 92,214.94
  4. Step 4: Simplify right side
    156,741.16x = 19,946,744,403.78
  5. Step 5: Solve for x
    x = 19,946,744,403.78/156,741.16
  6. Step 6: Final answer
    x = 127,259.13

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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.