Home / 118,350.85-163,316.94-64,624.94

Finding the Fourth Proportional to 118,350.85, 163,316.94 and 64,624.94

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Solution

The fourth proportional to 118,350.85, 163,316.94 and 64,624.94 is: 89,178.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,350.85 : 163,316.94 = 64,624.94 : x
  2. Step 2: Convert to fraction form
    118,350.85/163,316.94 = 64,624.94/x
  3. Step 3: Cross multiply
    118,350.85x = 163,316.94 × 64,624.94
  4. Step 4: Simplify right side
    118,350.85x = 10,554,347,448.48
  5. Step 5: Solve for x
    x = 10,554,347,448.48/118,350.85
  6. Step 6: Final answer
    x = 89,178.47

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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.