Home / 190,232.08-262,528.16-105,349.20

Finding the Fourth Proportional to 190,232.08, 262,528.16 and 105,349.20

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Solution

The fourth proportional to 190,232.08, 262,528.16 and 105,349.20 is: 145,386.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,232.08 : 262,528.16 = 105,349.20 : x
  2. Step 2: Convert to fraction form
    190,232.08/262,528.16 = 105,349.20/x
  3. Step 3: Cross multiply
    190,232.08x = 262,528.16 × 105,349.20
  4. Step 4: Simplify right side
    190,232.08x = 27,657,131,633.47
  5. Step 5: Solve for x
    x = 27,657,131,633.47/190,232.08
  6. Step 6: Final answer
    x = 145,386.27

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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.