Home / 319,130.10-440,397.36-175,890.24

Finding the Fourth Proportional to 319,130.10, 440,397.36 and 175,890.24

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Solution

The fourth proportional to 319,130.10, 440,397.36 and 175,890.24 is: 242,727.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,130.10 : 440,397.36 = 175,890.24 : x
  2. Step 2: Convert to fraction form
    319,130.10/440,397.36 = 175,890.24/x
  3. Step 3: Cross multiply
    319,130.10x = 440,397.36 × 175,890.24
  4. Step 4: Simplify right side
    319,130.10x = 77,461,597,345.77
  5. Step 5: Solve for x
    x = 77,461,597,345.77/319,130.10
  6. Step 6: Final answer
    x = 242,727.33

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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.