Home / 191,326.24-286,656.90-134,279.20

Finding the Fourth Proportional to 191,326.24, 286,656.90 and 134,279.20

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Solution

The fourth proportional to 191,326.24, 286,656.90 and 134,279.20 is: 201,185.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,326.24 : 286,656.90 = 134,279.20 : x
  2. Step 2: Convert to fraction form
    191,326.24/286,656.90 = 134,279.20/x
  3. Step 3: Cross multiply
    191,326.24x = 286,656.90 × 134,279.20
  4. Step 4: Simplify right side
    191,326.24x = 38,492,059,206.48
  5. Step 5: Solve for x
    x = 38,492,059,206.48/191,326.24
  6. Step 6: Final answer
    x = 201,185.47

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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.