Home / 177,777.84-245,328.71-105,184.48

Finding the Fourth Proportional to 177,777.84, 245,328.71 and 105,184.48

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Solution

The fourth proportional to 177,777.84, 245,328.71 and 105,184.48 is: 145,151.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,777.84 : 245,328.71 = 105,184.48 : x
  2. Step 2: Convert to fraction form
    177,777.84/245,328.71 = 105,184.48/x
  3. Step 3: Cross multiply
    177,777.84x = 245,328.71 × 105,184.48
  4. Step 4: Simplify right side
    177,777.84x = 25,804,772,790.42
  5. Step 5: Solve for x
    x = 25,804,772,790.42/177,777.84
  6. Step 6: Final answer
    x = 145,151.80

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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.