Home / 190,032.16-285,130.94-119,117.32

Finding the Fourth Proportional to 190,032.16, 285,130.94 and 119,117.32

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Solution

The fourth proportional to 190,032.16, 285,130.94 and 119,117.32 is: 178,727.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,032.16 : 285,130.94 = 119,117.32 : x
  2. Step 2: Convert to fraction form
    190,032.16/285,130.94 = 119,117.32/x
  3. Step 3: Cross multiply
    190,032.16x = 285,130.94 × 119,117.32
  4. Step 4: Simplify right side
    190,032.16x = 33,964,033,421.88
  5. Step 5: Solve for x
    x = 33,964,033,421.88/190,032.16
  6. Step 6: Final answer
    x = 178,727.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.