Home / 243,184.02-335,430.09-211,298.10

Finding the Fourth Proportional to 243,184.02, 335,430.09 and 211,298.10

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Solution

The fourth proportional to 243,184.02, 335,430.09 and 211,298.10 is: 291,449.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,184.02 : 335,430.09 = 211,298.10 : x
  2. Step 2: Convert to fraction form
    243,184.02/335,430.09 = 211,298.10/x
  3. Step 3: Cross multiply
    243,184.02x = 335,430.09 × 211,298.10
  4. Step 4: Simplify right side
    243,184.02x = 70,875,740,699.83
  5. Step 5: Solve for x
    x = 70,875,740,699.83/243,184.02
  6. Step 6: Final answer
    x = 291,449.01

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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.