Home / 118,750.19-163,875.51-64,302.95

Finding the Fourth Proportional to 118,750.19, 163,875.51 and 64,302.95

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Solution

The fourth proportional to 118,750.19, 163,875.51 and 64,302.95 is: 88,738.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,750.19 : 163,875.51 = 64,302.95 : x
  2. Step 2: Convert to fraction form
    118,750.19/163,875.51 = 64,302.95/x
  3. Step 3: Cross multiply
    118,750.19x = 163,875.51 × 64,302.95
  4. Step 4: Simplify right side
    118,750.19x = 10,537,679,135.44
  5. Step 5: Solve for x
    x = 10,537,679,135.44/118,750.19
  6. Step 6: Final answer
    x = 88,738.21

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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.