Home / 316,771.32-437,133.02-180,812.28

Finding the Fourth Proportional to 316,771.32, 437,133.02 and 180,812.28

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Solution

The fourth proportional to 316,771.32, 437,133.02 and 180,812.28 is: 249,514.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,771.32 : 437,133.02 = 180,812.28 : x
  2. Step 2: Convert to fraction form
    316,771.32/437,133.02 = 180,812.28/x
  3. Step 3: Cross multiply
    316,771.32x = 437,133.02 × 180,812.28
  4. Step 4: Simplify right side
    316,771.32x = 79,039,018,009.49
  5. Step 5: Solve for x
    x = 79,039,018,009.49/316,771.32
  6. Step 6: Final answer
    x = 249,514.44

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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.