Home / 158,624.93-218,898.65-87,004.33

Finding the Fourth Proportional to 158,624.93, 218,898.65 and 87,004.33

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Solution

The fourth proportional to 158,624.93, 218,898.65 and 87,004.33 is: 120,063.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,624.93 : 218,898.65 = 87,004.33 : x
  2. Step 2: Convert to fraction form
    158,624.93/218,898.65 = 87,004.33/x
  3. Step 3: Cross multiply
    158,624.93x = 218,898.65 × 87,004.33
  4. Step 4: Simplify right side
    158,624.93x = 19,045,130,051.42
  5. Step 5: Solve for x
    x = 19,045,130,051.42/158,624.93
  6. Step 6: Final answer
    x = 120,063.91

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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.