Home / 190,346.32-262,666.48-105,457.20

Finding the Fourth Proportional to 190,346.32, 262,666.48 and 105,457.20

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Solution

The fourth proportional to 190,346.32, 262,666.48 and 105,457.20 is: 145,524.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,346.32 : 262,666.48 = 105,457.20 : x
  2. Step 2: Convert to fraction form
    190,346.32/262,666.48 = 105,457.20/x
  3. Step 3: Cross multiply
    190,346.32x = 262,666.48 × 105,457.20
  4. Step 4: Simplify right side
    190,346.32x = 27,700,071,514.66
  5. Step 5: Solve for x
    x = 27,700,071,514.66/190,346.32
  6. Step 6: Final answer
    x = 145,524.60

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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.