Home / 343,109.75-473,484.38-190,146.74

Finding the Fourth Proportional to 343,109.75, 473,484.38 and 190,146.74

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Solution

The fourth proportional to 343,109.75, 473,484.38 and 190,146.74 is: 262,398.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,109.75 : 473,484.38 = 190,146.74 : x
  2. Step 2: Convert to fraction form
    343,109.75/473,484.38 = 190,146.74/x
  3. Step 3: Cross multiply
    343,109.75x = 473,484.38 × 190,146.74
  4. Step 4: Simplify right side
    343,109.75x = 90,031,507,979.77
  5. Step 5: Solve for x
    x = 90,031,507,979.77/343,109.75
  6. Step 6: Final answer
    x = 262,398.57

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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.