Home / 211,196.73-291,461.99-130,666.17

Finding the Fourth Proportional to 211,196.73, 291,461.99 and 130,666.17

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Solution

The fourth proportional to 211,196.73, 291,461.99 and 130,666.17 is: 180,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,196.73 : 291,461.99 = 130,666.17 : x
  2. Step 2: Convert to fraction form
    211,196.73/291,461.99 = 130,666.17/x
  3. Step 3: Cross multiply
    211,196.73x = 291,461.99 × 130,666.17
  4. Step 4: Simplify right side
    211,196.73x = 38,084,221,280.55
  5. Step 5: Solve for x
    x = 38,084,221,280.55/211,196.73
  6. Step 6: Final answer
    x = 180,325.81

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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.