Home / 118,332.07-163,319.28-69,931.93

Finding the Fourth Proportional to 118,332.07, 163,319.28 and 69,931.93

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Solution

The fourth proportional to 118,332.07, 163,319.28 and 69,931.93 is: 96,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,332.07 : 163,319.28 = 69,931.93 : x
  2. Step 2: Convert to fraction form
    118,332.07/163,319.28 = 69,931.93/x
  3. Step 3: Cross multiply
    118,332.07x = 163,319.28 × 69,931.93
  4. Step 4: Simplify right side
    118,332.07x = 11,421,232,456.61
  5. Step 5: Solve for x
    x = 11,421,232,456.61/118,332.07
  6. Step 6: Final answer
    x = 96,518.49

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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.