Home / 319,432.17-440,816.77-183,492.45

Finding the Fourth Proportional to 319,432.17, 440,816.77 and 183,492.45

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Solution

The fourth proportional to 319,432.17, 440,816.77 and 183,492.45 is: 253,219.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,432.17 : 440,816.77 = 183,492.45 : x
  2. Step 2: Convert to fraction form
    319,432.17/440,816.77 = 183,492.45/x
  3. Step 3: Cross multiply
    319,432.17x = 440,816.77 × 183,492.45
  4. Step 4: Simplify right side
    319,432.17x = 80,886,549,357.75
  5. Step 5: Solve for x
    x = 80,886,549,357.75/319,432.17
  6. Step 6: Final answer
    x = 253,219.79

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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.