Home / 190,199.77-262,483.59-105,316.83

Finding the Fourth Proportional to 190,199.77, 262,483.59 and 105,316.83

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Solution

The fourth proportional to 190,199.77, 262,483.59 and 105,316.83 is: 145,341.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,199.77 : 262,483.59 = 105,316.83 : x
  2. Step 2: Convert to fraction form
    190,199.77/262,483.59 = 105,316.83/x
  3. Step 3: Cross multiply
    190,199.77x = 262,483.59 × 105,316.83
  4. Step 4: Simplify right side
    190,199.77x = 27,643,939,625.82
  5. Step 5: Solve for x
    x = 27,643,939,625.82/190,199.77
  6. Step 6: Final answer
    x = 145,341.60

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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.