Home / 190,722.72-286,088.92-57,607.32

Finding the Fourth Proportional to 190,722.72, 286,088.92 and 57,607.32

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Solution

The fourth proportional to 190,722.72, 286,088.92 and 57,607.32 is: 86,412.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,722.72 : 286,088.92 = 57,607.32 : x
  2. Step 2: Convert to fraction form
    190,722.72/286,088.92 = 57,607.32/x
  3. Step 3: Cross multiply
    190,722.72x = 286,088.92 × 57,607.32
  4. Step 4: Simplify right side
    190,722.72x = 16,480,815,962.89
  5. Step 5: Solve for x
    x = 16,480,815,962.89/190,722.72
  6. Step 6: Final answer
    x = 86,412.44

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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.