Home / 118,281.65-163,226.27-64,566.50

Finding the Fourth Proportional to 118,281.65, 163,226.27 and 64,566.50

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Solution

The fourth proportional to 118,281.65, 163,226.27 and 64,566.50 is: 89,100.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,281.65 : 163,226.27 = 64,566.50 : x
  2. Step 2: Convert to fraction form
    118,281.65/163,226.27 = 64,566.50/x
  3. Step 3: Cross multiply
    118,281.65x = 163,226.27 × 64,566.50
  4. Step 4: Simplify right side
    118,281.65x = 10,538,948,307.24
  5. Step 5: Solve for x
    x = 10,538,948,307.24/118,281.65
  6. Step 6: Final answer
    x = 89,100.45

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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.