Home / 156,386.93-215,938.19-144,445.91

Finding the Fourth Proportional to 156,386.93, 215,938.19 and 144,445.91

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Solution

The fourth proportional to 156,386.93, 215,938.19 and 144,445.91 is: 199,450.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,386.93 : 215,938.19 = 144,445.91 : x
  2. Step 2: Convert to fraction form
    156,386.93/215,938.19 = 144,445.91/x
  3. Step 3: Cross multiply
    156,386.93x = 215,938.19 × 144,445.91
  4. Step 4: Simplify right side
    156,386.93x = 31,191,387,636.07
  5. Step 5: Solve for x
    x = 31,191,387,636.07/156,386.93
  6. Step 6: Final answer
    x = 199,450.09

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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.