Home / 191,515.26-286,573.05-112,666.62

Finding the Fourth Proportional to 191,515.26, 286,573.05 and 112,666.62

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Solution

The fourth proportional to 191,515.26, 286,573.05 and 112,666.62 is: 168,588.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    191,515.26 : 286,573.05 = 112,666.62 : x
  2. Step 2: Convert to fraction form
    191,515.26/286,573.05 = 112,666.62/x
  3. Step 3: Cross multiply
    191,515.26x = 286,573.05 × 112,666.62
  4. Step 4: Simplify right side
    191,515.26x = 32,287,216,926.59
  5. Step 5: Solve for x
    x = 32,287,216,926.59/191,515.26
  6. Step 6: Final answer
    x = 168,588.22

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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.