Home / 328,581.54-453,434.14-185,330.28

Finding the Fourth Proportional to 328,581.54, 453,434.14 and 185,330.28

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Solution

The fourth proportional to 328,581.54, 453,434.14 and 185,330.28 is: 255,751.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,581.54 : 453,434.14 = 185,330.28 : x
  2. Step 2: Convert to fraction form
    328,581.54/453,434.14 = 185,330.28/x
  3. Step 3: Cross multiply
    328,581.54x = 453,434.14 × 185,330.28
  4. Step 4: Simplify right side
    328,581.54x = 84,035,076,127.76
  5. Step 5: Solve for x
    x = 84,035,076,127.76/328,581.54
  6. Step 6: Final answer
    x = 255,751.06

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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.