Home / 190,875.32-286,359.48-57,748.08

Finding the Fourth Proportional to 190,875.32, 286,359.48 and 57,748.08

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Solution

The fourth proportional to 190,875.32, 286,359.48 and 57,748.08 is: 86,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,875.32 : 286,359.48 = 57,748.08 : x
  2. Step 2: Convert to fraction form
    190,875.32/286,359.48 = 57,748.08/x
  3. Step 3: Cross multiply
    190,875.32x = 286,359.48 × 57,748.08
  4. Step 4: Simplify right side
    190,875.32x = 16,536,710,159.80
  5. Step 5: Solve for x
    x = 16,536,710,159.80/190,875.32
  6. Step 6: Final answer
    x = 86,636.19

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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.