Home / 130,046.63-179,464.55-70,430.63

Finding the Fourth Proportional to 130,046.63, 179,464.55 and 70,430.63

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Solution

The fourth proportional to 130,046.63, 179,464.55 and 70,430.63 is: 97,194.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,046.63 : 179,464.55 = 70,430.63 : x
  2. Step 2: Convert to fraction form
    130,046.63/179,464.55 = 70,430.63/x
  3. Step 3: Cross multiply
    130,046.63x = 179,464.55 × 70,430.63
  4. Step 4: Simplify right side
    130,046.63x = 12,639,800,069.69
  5. Step 5: Solve for x
    x = 12,639,800,069.69/130,046.63
  6. Step 6: Final answer
    x = 97,194.37

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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.