Home / 190,250.36-262,547.70-105,368.84

Finding the Fourth Proportional to 190,250.36, 262,547.70 and 105,368.84

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Solution

The fourth proportional to 190,250.36, 262,547.70 and 105,368.84 is: 145,410.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,250.36 : 262,547.70 = 105,368.84 : x
  2. Step 2: Convert to fraction form
    190,250.36/262,547.70 = 105,368.84/x
  3. Step 3: Cross multiply
    190,250.36x = 262,547.70 × 105,368.84
  4. Step 4: Simplify right side
    190,250.36x = 27,664,346,593.67
  5. Step 5: Solve for x
    x = 27,664,346,593.67/190,250.36
  6. Step 6: Final answer
    x = 145,410.22

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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.