Home / 146,798.32-220,282.15-79,330.51

Finding the Fourth Proportional to 146,798.32, 220,282.15 and 79,330.51

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Solution

The fourth proportional to 146,798.32, 220,282.15 and 79,330.51 is: 119,041.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,798.32 : 220,282.15 = 79,330.51 : x
  2. Step 2: Convert to fraction form
    146,798.32/220,282.15 = 79,330.51/x
  3. Step 3: Cross multiply
    146,798.32x = 220,282.15 × 79,330.51
  4. Step 4: Simplify right side
    146,798.32x = 17,475,095,303.40
  5. Step 5: Solve for x
    x = 17,475,095,303.40/146,798.32
  6. Step 6: Final answer
    x = 119,041.52

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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.