Home / 118,511.04-163,586.40-68,230.08

Finding the Fourth Proportional to 118,511.04, 163,586.40 and 68,230.08

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Solution

The fourth proportional to 118,511.04, 163,586.40 and 68,230.08 is: 94,181.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,511.04 : 163,586.40 = 68,230.08 : x
  2. Step 2: Convert to fraction form
    118,511.04/163,586.40 = 68,230.08/x
  3. Step 3: Cross multiply
    118,511.04x = 163,586.40 × 68,230.08
  4. Step 4: Simplify right side
    118,511.04x = 11,161,513,158.91
  5. Step 5: Solve for x
    x = 11,161,513,158.91/118,511.04
  6. Step 6: Final answer
    x = 94,181.21

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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.