Home / 343,388.24-473,875.74-190,449.76

Finding the Fourth Proportional to 343,388.24, 473,875.74 and 190,449.76

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Solution

The fourth proportional to 343,388.24, 473,875.74 and 190,449.76 is: 262,820.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,388.24 : 473,875.74 = 190,449.76 : x
  2. Step 2: Convert to fraction form
    343,388.24/473,875.74 = 190,449.76/x
  3. Step 3: Cross multiply
    343,388.24x = 473,875.74 × 190,449.76
  4. Step 4: Simplify right side
    343,388.24x = 90,249,520,952.82
  5. Step 5: Solve for x
    x = 90,249,520,952.82/343,388.24
  6. Step 6: Final answer
    x = 262,820.65

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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.