Home / 302,024.09-453,025.65-77,386.40

Finding the Fourth Proportional to 302,024.09, 453,025.65 and 77,386.40

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Solution

The fourth proportional to 302,024.09, 453,025.65 and 77,386.40 is: 116,076.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,024.09 : 453,025.65 = 77,386.40 : x
  2. Step 2: Convert to fraction form
    302,024.09/453,025.65 = 77,386.40/x
  3. Step 3: Cross multiply
    302,024.09x = 453,025.65 × 77,386.40
  4. Step 4: Simplify right side
    302,024.09x = 35,058,024,161.16
  5. Step 5: Solve for x
    x = 35,058,024,161.16/302,024.09
  6. Step 6: Final answer
    x = 116,076.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.