Home / 212,532.19-293,294.45-117,038.66

Finding the Fourth Proportional to 212,532.19, 293,294.45 and 117,038.66

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Solution

The fourth proportional to 212,532.19, 293,294.45 and 117,038.66 is: 161,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    212,532.19 : 293,294.45 = 117,038.66 : x
  2. Step 2: Convert to fraction form
    212,532.19/293,294.45 = 117,038.66/x
  3. Step 3: Cross multiply
    212,532.19x = 293,294.45 × 117,038.66
  4. Step 4: Simplify right side
    212,532.19x = 34,326,788,239.56
  5. Step 5: Solve for x
    x = 34,326,788,239.56/212,532.19
  6. Step 6: Final answer
    x = 161,513.36

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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.