Home / 130,946.04-180,705.58-71,330.04

Finding the Fourth Proportional to 130,946.04, 180,705.58 and 71,330.04

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Solution

The fourth proportional to 130,946.04, 180,705.58 and 71,330.04 is: 98,435.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,946.04 : 180,705.58 = 71,330.04 : x
  2. Step 2: Convert to fraction form
    130,946.04/180,705.58 = 71,330.04/x
  3. Step 3: Cross multiply
    130,946.04x = 180,705.58 × 71,330.04
  4. Step 4: Simplify right side
    130,946.04x = 12,889,736,249.62
  5. Step 5: Solve for x
    x = 12,889,736,249.62/130,946.04
  6. Step 6: Final answer
    x = 98,435.48

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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.