Home / 130,190.24-179,662.80-70,574.24

Finding the Fourth Proportional to 130,190.24, 179,662.80 and 70,574.24

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Solution

The fourth proportional to 130,190.24, 179,662.80 and 70,574.24 is: 97,392.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,190.24 : 179,662.80 = 70,574.24 : x
  2. Step 2: Convert to fraction form
    130,190.24/179,662.80 = 70,574.24/x
  3. Step 3: Cross multiply
    130,190.24x = 179,662.80 × 70,574.24
  4. Step 4: Simplify right side
    130,190.24x = 12,679,565,566.27
  5. Step 5: Solve for x
    x = 12,679,565,566.27/130,190.24
  6. Step 6: Final answer
    x = 97,392.60

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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.