Home / 152,948.22-211,102.26-84,988.50

Finding the Fourth Proportional to 152,948.22, 211,102.26 and 84,988.50

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Solution

The fourth proportional to 152,948.22, 211,102.26 and 84,988.50 is: 117,302.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,948.22 : 211,102.26 = 84,988.50 : x
  2. Step 2: Convert to fraction form
    152,948.22/211,102.26 = 84,988.50/x
  3. Step 3: Cross multiply
    152,948.22x = 211,102.26 × 84,988.50
  4. Step 4: Simplify right side
    152,948.22x = 17,941,264,424.01
  5. Step 5: Solve for x
    x = 17,941,264,424.01/152,948.22
  6. Step 6: Final answer
    x = 117,302.87

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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.