Home / 190,867.10-286,333.05-57,746.30

Finding the Fourth Proportional to 190,867.10, 286,333.05 and 57,746.30

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Solution

The fourth proportional to 190,867.10, 286,333.05 and 57,746.30 is: 86,629.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,867.10 : 286,333.05 = 57,746.30 : x
  2. Step 2: Convert to fraction form
    190,867.10/286,333.05 = 57,746.30/x
  3. Step 3: Cross multiply
    190,867.10x = 286,333.05 × 57,746.30
  4. Step 4: Simplify right side
    190,867.10x = 16,534,674,205.22
  5. Step 5: Solve for x
    x = 16,534,674,205.22/190,867.10
  6. Step 6: Final answer
    x = 86,629.25

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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.