Home / 130,567.15-179,009.24-128,205.19

Finding the Fourth Proportional to 130,567.15, 179,009.24 and 128,205.19

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Solution

The fourth proportional to 130,567.15, 179,009.24 and 128,205.19 is: 175,770.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,567.15 : 179,009.24 = 128,205.19 : x
  2. Step 2: Convert to fraction form
    130,567.15/179,009.24 = 128,205.19/x
  3. Step 3: Cross multiply
    130,567.15x = 179,009.24 × 128,205.19
  4. Step 4: Simplify right side
    130,567.15x = 22,949,913,208.69
  5. Step 5: Solve for x
    x = 22,949,913,208.69/130,567.15
  6. Step 6: Final answer
    x = 175,770.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.