Home / 118,014.04-162,784.98-70,231.72

Finding the Fourth Proportional to 118,014.04, 162,784.98 and 70,231.72

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Solution

The fourth proportional to 118,014.04, 162,784.98 and 70,231.72 is: 96,875.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,014.04 : 162,784.98 = 70,231.72 : x
  2. Step 2: Convert to fraction form
    118,014.04/162,784.98 = 70,231.72/x
  3. Step 3: Cross multiply
    118,014.04x = 162,784.98 × 70,231.72
  4. Step 4: Simplify right side
    118,014.04x = 11,432,669,135.57
  5. Step 5: Solve for x
    x = 11,432,669,135.57/118,014.04
  6. Step 6: Final answer
    x = 96,875.50

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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.