Home / 279,030.84-385,066.35-151,706.13

Finding the Fourth Proportional to 279,030.84, 385,066.35 and 151,706.13

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Solution

The fourth proportional to 279,030.84, 385,066.35 and 151,706.13 is: 209,356.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    279,030.84 : 385,066.35 = 151,706.13 : x
  2. Step 2: Convert to fraction form
    279,030.84/385,066.35 = 151,706.13/x
  3. Step 3: Cross multiply
    279,030.84x = 385,066.35 × 151,706.13
  4. Step 4: Simplify right side
    279,030.84x = 58,416,925,751.73
  5. Step 5: Solve for x
    x = 58,416,925,751.73/279,030.84
  6. Step 6: Final answer
    x = 209,356.52

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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.