Home / 224,330.04-309,574.86-128,842.92

Finding the Fourth Proportional to 224,330.04, 309,574.86 and 128,842.92

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Solution

The fourth proportional to 224,330.04, 309,574.86 and 128,842.92 is: 177,802.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,330.04 : 309,574.86 = 128,842.92 : x
  2. Step 2: Convert to fraction form
    224,330.04/309,574.86 = 128,842.92/x
  3. Step 3: Cross multiply
    224,330.04x = 309,574.86 × 128,842.92
  4. Step 4: Simplify right side
    224,330.04x = 39,886,528,920.99
  5. Step 5: Solve for x
    x = 39,886,528,920.99/224,330.04
  6. Step 6: Final answer
    x = 177,802.89

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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.