Home / 157,582.50-217,482.06-87,738.83

Finding the Fourth Proportional to 157,582.50, 217,482.06 and 87,738.83

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Solution

The fourth proportional to 157,582.50, 217,482.06 and 87,738.83 is: 121,089.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,582.50 : 217,482.06 = 87,738.83 : x
  2. Step 2: Convert to fraction form
    157,582.50/217,482.06 = 87,738.83/x
  3. Step 3: Cross multiply
    157,582.50x = 217,482.06 × 87,738.83
  4. Step 4: Simplify right side
    157,582.50x = 19,081,621,547.56
  5. Step 5: Solve for x
    x = 19,081,621,547.56/157,582.50
  6. Step 6: Final answer
    x = 121,089.73

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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.