Home / 146,518.69-202,221.68-86,089.32

Finding the Fourth Proportional to 146,518.69, 202,221.68 and 86,089.32

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Solution

The fourth proportional to 146,518.69, 202,221.68 and 86,089.32 is: 118,818.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,518.69 : 202,221.68 = 86,089.32 : x
  2. Step 2: Convert to fraction form
    146,518.69/202,221.68 = 86,089.32/x
  3. Step 3: Cross multiply
    146,518.69x = 202,221.68 × 86,089.32
  4. Step 4: Simplify right side
    146,518.69x = 17,409,126,920.46
  5. Step 5: Solve for x
    x = 17,409,126,920.46/146,518.69
  6. Step 6: Final answer
    x = 118,818.47

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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.