Home / 319,374.10-440,717.23-183,430.18

Finding the Fourth Proportional to 319,374.10, 440,717.23 and 183,430.18

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Solution

The fourth proportional to 319,374.10, 440,717.23 and 183,430.18 is: 253,122.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,374.10 : 440,717.23 = 183,430.18 : x
  2. Step 2: Convert to fraction form
    319,374.10/440,717.23 = 183,430.18/x
  3. Step 3: Cross multiply
    319,374.10x = 440,717.23 × 183,430.18
  4. Step 4: Simplify right side
    319,374.10x = 80,840,840,828.00
  5. Step 5: Solve for x
    x = 80,840,840,828.00/319,374.10
  6. Step 6: Final answer
    x = 253,122.72

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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.