Home / 190,207.36-262,482.95-105,322.60

Finding the Fourth Proportional to 190,207.36, 262,482.95 and 105,322.60

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Solution

The fourth proportional to 190,207.36, 262,482.95 and 105,322.60 is: 145,343.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,207.36 : 262,482.95 = 105,322.60 : x
  2. Step 2: Convert to fraction form
    190,207.36/262,482.95 = 105,322.60/x
  3. Step 3: Cross multiply
    190,207.36x = 262,482.95 × 105,322.60
  4. Step 4: Simplify right side
    190,207.36x = 27,645,386,749.67
  5. Step 5: Solve for x
    x = 27,645,386,749.67/190,207.36
  6. Step 6: Final answer
    x = 145,343.41

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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.