Home / 213,718.02-320,155.75-173,782.08

Finding the Fourth Proportional to 213,718.02, 320,155.75 and 173,782.08

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Solution

The fourth proportional to 213,718.02, 320,155.75 and 173,782.08 is: 260,330.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    213,718.02 : 320,155.75 = 173,782.08 : x
  2. Step 2: Convert to fraction form
    213,718.02/320,155.75 = 173,782.08/x
  3. Step 3: Cross multiply
    213,718.02x = 320,155.75 × 173,782.08
  4. Step 4: Simplify right side
    213,718.02x = 55,637,332,158.96
  5. Step 5: Solve for x
    x = 55,637,332,158.96/213,718.02
  6. Step 6: Final answer
    x = 260,330.56

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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.