Home / 343,120.16-473,499.06-190,155.18

Finding the Fourth Proportional to 343,120.16, 473,499.06 and 190,155.18

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Solution

The fourth proportional to 343,120.16, 473,499.06 and 190,155.18 is: 262,410.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,120.16 : 473,499.06 = 190,155.18 : x
  2. Step 2: Convert to fraction form
    343,120.16/473,499.06 = 190,155.18/x
  3. Step 3: Cross multiply
    343,120.16x = 473,499.06 × 190,155.18
  4. Step 4: Simplify right side
    343,120.16x = 90,038,298,984.13
  5. Step 5: Solve for x
    x = 90,038,298,984.13/343,120.16
  6. Step 6: Final answer
    x = 262,410.40

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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.