Home / 328,518.08-453,370.38-185,275.16

Finding the Fourth Proportional to 328,518.08, 453,370.38 and 185,275.16

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Solution

The fourth proportional to 328,518.08, 453,370.38 and 185,275.16 is: 255,688.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,518.08 : 453,370.38 = 185,275.16 : x
  2. Step 2: Convert to fraction form
    328,518.08/453,370.38 = 185,275.16/x
  3. Step 3: Cross multiply
    328,518.08x = 453,370.38 × 185,275.16
  4. Step 4: Simplify right side
    328,518.08x = 83,998,269,693.76
  5. Step 5: Solve for x
    x = 83,998,269,693.76/328,518.08
  6. Step 6: Final answer
    x = 255,688.42

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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.