Home / 118,422.07-163,417.64-64,708.94

Finding the Fourth Proportional to 118,422.07, 163,417.64 and 64,708.94

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Solution

The fourth proportional to 118,422.07, 163,417.64 and 64,708.94 is: 89,295.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,422.07 : 163,417.64 = 64,708.94 : x
  2. Step 2: Convert to fraction form
    118,422.07/163,417.64 = 64,708.94/x
  3. Step 3: Cross multiply
    118,422.07x = 163,417.64 × 64,708.94
  4. Step 4: Simplify right side
    118,422.07x = 10,574,582,346.70
  5. Step 5: Solve for x
    x = 10,574,582,346.70/118,422.07
  6. Step 6: Final answer
    x = 89,295.71

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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.