Home / 118,437.95-163,446.51-64,725.23

Finding the Fourth Proportional to 118,437.95, 163,446.51 and 64,725.23

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Solution

The fourth proportional to 118,437.95, 163,446.51 and 64,725.23 is: 89,321.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,437.95 : 163,446.51 = 64,725.23 : x
  2. Step 2: Convert to fraction form
    118,437.95/163,446.51 = 64,725.23/x
  3. Step 3: Cross multiply
    118,437.95x = 163,446.51 × 64,725.23
  4. Step 4: Simplify right side
    118,437.95x = 10,579,112,135.21
  5. Step 5: Solve for x
    x = 10,579,112,135.21/118,437.95
  6. Step 6: Final answer
    x = 89,321.98

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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.