Home / 238,127.49-328,615.50-136,154.87

Finding the Fourth Proportional to 238,127.49, 328,615.50 and 136,154.87

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Solution

The fourth proportional to 238,127.49, 328,615.50 and 136,154.87 is: 187,893.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,127.49 : 328,615.50 = 136,154.87 : x
  2. Step 2: Convert to fraction form
    238,127.49/328,615.50 = 136,154.87/x
  3. Step 3: Cross multiply
    238,127.49x = 328,615.50 × 136,154.87
  4. Step 4: Simplify right side
    238,127.49x = 44,742,599,039.41
  5. Step 5: Solve for x
    x = 44,742,599,039.41/238,127.49
  6. Step 6: Final answer
    x = 187,893.46

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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.