Home / 343,139.13-473,550.80-190,174.07

Finding the Fourth Proportional to 343,139.13, 473,550.80 and 190,174.07

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Solution

The fourth proportional to 343,139.13, 473,550.80 and 190,174.07 is: 262,450.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,139.13 : 473,550.80 = 190,174.07 : x
  2. Step 2: Convert to fraction form
    343,139.13/473,550.80 = 190,174.07/x
  3. Step 3: Cross multiply
    343,139.13x = 473,550.80 × 190,174.07
  4. Step 4: Simplify right side
    343,139.13x = 90,057,083,220.76
  5. Step 5: Solve for x
    x = 90,057,083,220.76/343,139.13
  6. Step 6: Final answer
    x = 262,450.64

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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.