Home / 343,110.22-473,485.28-190,145.23

Finding the Fourth Proportional to 343,110.22, 473,485.28 and 190,145.23

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Solution

The fourth proportional to 343,110.22, 473,485.28 and 190,145.23 is: 262,396.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,110.22 : 473,485.28 = 190,145.23 : x
  2. Step 2: Convert to fraction form
    343,110.22/473,485.28 = 190,145.23/x
  3. Step 3: Cross multiply
    343,110.22x = 473,485.28 × 190,145.23
  4. Step 4: Simplify right side
    343,110.22x = 90,030,970,533.71
  5. Step 5: Solve for x
    x = 90,030,970,533.71/343,110.22
  6. Step 6: Final answer
    x = 262,396.65

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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.