Home / 130,699.80-195,612.30-114,953.40

Finding the Fourth Proportional to 130,699.80, 195,612.30 and 114,953.40

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Solution

The fourth proportional to 130,699.80, 195,612.30 and 114,953.40 is: 172,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,699.80 : 195,612.30 = 114,953.40 : x
  2. Step 2: Convert to fraction form
    130,699.80/195,612.30 = 114,953.40/x
  3. Step 3: Cross multiply
    130,699.80x = 195,612.30 × 114,953.40
  4. Step 4: Simplify right side
    130,699.80x = 22,486,298,966.82
  5. Step 5: Solve for x
    x = 22,486,298,966.82/130,699.80
  6. Step 6: Final answer
    x = 172,045.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.