Home / 319,065.14-440,312.85-175,830.32

Finding the Fourth Proportional to 319,065.14, 440,312.85 and 175,830.32

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Solution

The fourth proportional to 319,065.14, 440,312.85 and 175,830.32 is: 242,647.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,065.14 : 440,312.85 = 175,830.32 : x
  2. Step 2: Convert to fraction form
    319,065.14/440,312.85 = 175,830.32/x
  3. Step 3: Cross multiply
    319,065.14x = 440,312.85 × 175,830.32
  4. Step 4: Simplify right side
    319,065.14x = 77,420,349,315.61
  5. Step 5: Solve for x
    x = 77,420,349,315.61/319,065.14
  6. Step 6: Final answer
    x = 242,647.47

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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.