Home / 319,113.32-440,368.79-173,923.70

Finding the Fourth Proportional to 319,113.32, 440,368.79 and 173,923.70

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Solution

The fourth proportional to 319,113.32, 440,368.79 and 173,923.70 is: 240,010.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,113.32 : 440,368.79 = 173,923.70 : x
  2. Step 2: Convert to fraction form
    319,113.32/440,368.79 = 173,923.70/x
  3. Step 3: Cross multiply
    319,113.32x = 440,368.79 × 173,923.70
  4. Step 4: Simplify right side
    319,113.32x = 76,590,567,554.29
  5. Step 5: Solve for x
    x = 76,590,567,554.29/319,113.32
  6. Step 6: Final answer
    x = 240,010.57

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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.