Home / 118,332.37-163,299.45-64,617.76

Finding the Fourth Proportional to 118,332.37, 163,299.45 and 64,617.76

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Solution

The fourth proportional to 118,332.37, 163,299.45 and 64,617.76 is: 89,172.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.37 : 163,299.45 = 64,617.76 : x
  2. Step 2: Convert to fraction form
    118,332.37/163,299.45 = 64,617.76/x
  3. Step 3: Cross multiply
    118,332.37x = 163,299.45 × 64,617.76
  4. Step 4: Simplify right side
    118,332.37x = 10,552,044,668.23
  5. Step 5: Solve for x
    x = 10,552,044,668.23/118,332.37
  6. Step 6: Final answer
    x = 89,172.93

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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.