Home / 118,299.51-163,247.13-64,574.15

Finding the Fourth Proportional to 118,299.51, 163,247.13 and 64,574.15

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Solution

The fourth proportional to 118,299.51, 163,247.13 and 64,574.15 is: 89,108.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,299.51 : 163,247.13 = 64,574.15 : x
  2. Step 2: Convert to fraction form
    118,299.51/163,247.13 = 64,574.15/x
  3. Step 3: Cross multiply
    118,299.51x = 163,247.13 × 64,574.15
  4. Step 4: Simplify right side
    118,299.51x = 10,541,543,843.45
  5. Step 5: Solve for x
    x = 10,541,543,843.45/118,299.51
  6. Step 6: Final answer
    x = 89,108.94

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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.