Home / 229,975.77-317,328.93-133,145.13

Finding the Fourth Proportional to 229,975.77, 317,328.93 and 133,145.13

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Solution

The fourth proportional to 229,975.77, 317,328.93 and 133,145.13 is: 183,718.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,975.77 : 317,328.93 = 133,145.13 : x
  2. Step 2: Convert to fraction form
    229,975.77/317,328.93 = 133,145.13/x
  3. Step 3: Cross multiply
    229,975.77x = 317,328.93 × 133,145.13
  4. Step 4: Simplify right side
    229,975.77x = 42,250,801,637.61
  5. Step 5: Solve for x
    x = 42,250,801,637.61/229,975.77
  6. Step 6: Final answer
    x = 183,718.49

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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.