Home / 191,307.18-286,566.99-112,230.72

Finding the Fourth Proportional to 191,307.18, 286,566.99 and 112,230.72

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Solution

The fourth proportional to 191,307.18, 286,566.99 and 112,230.72 is: 168,115.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,307.18 : 286,566.99 = 112,230.72 : x
  2. Step 2: Convert to fraction form
    191,307.18/286,566.99 = 112,230.72/x
  3. Step 3: Cross multiply
    191,307.18x = 286,566.99 × 112,230.72
  4. Step 4: Simplify right side
    191,307.18x = 32,161,619,615.93
  5. Step 5: Solve for x
    x = 32,161,619,615.93/191,307.18
  6. Step 6: Final answer
    x = 168,115.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.