Home / 328,386.91-453,164.88-185,145.70

Finding the Fourth Proportional to 328,386.91, 453,164.88 and 185,145.70

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Solution

The fourth proportional to 328,386.91, 453,164.88 and 185,145.70 is: 255,495.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,386.91 : 453,164.88 = 185,145.70 : x
  2. Step 2: Convert to fraction form
    328,386.91/453,164.88 = 185,145.70/x
  3. Step 3: Cross multiply
    328,386.91x = 453,164.88 × 185,145.70
  4. Step 4: Simplify right side
    328,386.91x = 83,901,528,923.02
  5. Step 5: Solve for x
    x = 83,901,528,923.02/328,386.91
  6. Step 6: Final answer
    x = 255,495.96

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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.