Home / 307,868.12-424,741.02-186,963.74

Finding the Fourth Proportional to 307,868.12, 424,741.02 and 186,963.74

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Solution

The fourth proportional to 307,868.12, 424,741.02 and 186,963.74 is: 257,938.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,868.12 : 424,741.02 = 186,963.74 : x
  2. Step 2: Convert to fraction form
    307,868.12/424,741.02 = 186,963.74/x
  3. Step 3: Cross multiply
    307,868.12x = 424,741.02 × 186,963.74
  4. Step 4: Simplify right side
    307,868.12x = 79,411,169,630.61
  5. Step 5: Solve for x
    x = 79,411,169,630.61/307,868.12
  6. Step 6: Final answer
    x = 257,938.92

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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.