Home / 191,116.40-285,452.51-173,077.76

Finding the Fourth Proportional to 191,116.40, 285,452.51 and 173,077.76

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Solution

The fourth proportional to 191,116.40, 285,452.51 and 173,077.76 is: 258,509.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,116.40 : 285,452.51 = 173,077.76 : x
  2. Step 2: Convert to fraction form
    191,116.40/285,452.51 = 173,077.76/x
  3. Step 3: Cross multiply
    191,116.40x = 285,452.51 × 173,077.76
  4. Step 4: Simplify right side
    191,116.40x = 49,405,480,865.42
  5. Step 5: Solve for x
    x = 49,405,480,865.42/191,116.40
  6. Step 6: Final answer
    x = 258,509.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.